But in more complicated systems that have several ways to lock and unlock the doors the body controller decides when to do the unlocking.
Power door lock not unlocking.
When a door ceases to lock and unlock at the press of a button it often means that the door s lock actuator has given up the ghost.
If the result of this does not yield any results continue to step 2.
Diagnosis if all of the door locks are inoperative start your diagnosis at the fuse box.
Video tutorial discussing symptoms of power door locks on toyota is not working right and how to check for easy fixes and replace a door lock actuator if nec.
Unplug the door lock connectors and inspect to make sure nothing stands out.
The body controller is a computer in your car.
An inoperative power door lock can be caused by the switch solenoid wiring problem or mechanical problem within the linkage of the affected door.
Power door locks that do not function are another common symptom for a problem with the door lock relay.
Follow lead wire to the door lock actuator.
If the power door lock relay fails it will cut off power to the entire power door lock system and may cause them to not function correctly.
Go to a dealer and they will.
If any wiring is damaged replace them.
By a signal from a control center in some cars that have power door locks the lock unlock switch actually sends power to the actuators that unlock the door.
Remove switch panel and inspect wiring.
Inspect the fuse that protects the door lock circuit to ensure it is not blown.
If that doesn t solve the problem you may have a faulty key fob.
Replace the key fob.
The lock actuator consists of a small electric motor that drives.
For vehicles equipped with door lock cylinders the door can still be opened using the key.
Pop the window and door lock switch panel off the door handle.
7 fixes to try if your car s power door locks won t work 1.